Large hips suggest that most dinosaurs had large,aerobically capable leg muscles like those of big-hipped birds and mammals,rather than small leg muscles like those of Brady aerobic reptiles.

• 大的臀部说明大多数恐龙有着较大的、耗氧能力强的腿部肌肉，就像那些臀部发达的鸟类和哺乳动物一样，而不是像那些低耗氧量的爬行类那样只有细小的腿部肌肉。